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      02-01-2018, 11:38 AM   #1
F30_n55
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Weird screeching whistling noise

Hey guys i recently purchased a 2012 335i with 50k miles , recently the ofhg blew and got that replaced . Now outta no where i am getting this whistling screeching noise from the motor at low rpms 1200-2400 i provided a link to a video if anybody can point me in the right direction...


https://flic.kr/p/23YzQvX
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      02-01-2018, 11:48 AM   #2
BunkerJ
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Quote:
Originally Posted by F30_n55 View Post
Hey guys i recently purchased a 2012 335i with 50k miles , recently the ofhg blew and got that replaced . Now outta no where i am getting this whistling screeching noise from the motor at low rpms 1200-2400 i provided a link to a video if anybody can point me in the right direction...


https://flic.kr/p/23YzQvX
Sounds like you have a vacuum leak somewhere. I believe there is a post or two on here on how to make a really cheap tester for this.

Secondary could be something rubbing or a belt going bad?
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      02-01-2018, 11:52 AM   #3
F30_n55
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Quote:
Originally Posted by BunkerJ View Post
Quote:
Originally Posted by F30_n55 View Post
Hey guys i recently purchased a 2012 335i with 50k miles , recently the ofhg blew and got that replaced . Now outta no where i am getting this whistling screeching noise from the motor at low rpms 1200-2400 i provided a link to a video if anybody can point me in the right direction...


https://flic.kr/p/23YzQvX
Sounds like you have a vacuum leak somewhere. I believe there is a post or two on here on how to make a really cheap tester for this.

Secondary could be something rubbing or a belt going bad?
Quote:
Originally Posted by BunkerJ View Post
Quote:
Originally Posted by F30_n55 View Post
Hey guys i recently purchased a 2012 335i with 50k miles , recently the ofhg blew and got that replaced . Now outta no where i am getting this whistling screeching noise from the motor at low rpms 1200-2400 i provided a link to a video if anybody can point me in the right direction...


https://flic.kr/p/23YzQvX
Sounds like you have a vacuum leak somewhere. I believe there is a post or two on here on how to make a really cheap tester for this.

Secondary could be something rubbing or a belt going bad?
I have took the car to the dealer ship they have replaced the tensioner, some pulleys were replaced not sure which ones outta the top of my head need to see my paper work, a v belt and car is still making this noise
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      02-01-2018, 12:14 PM   #4
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check your blow of valve
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      02-01-2018, 12:46 PM   #5
F30_n55
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Originally Posted by gup View Post
check your blow of valve
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Originally Posted by BunkerJ View Post
Quote:
Originally Posted by F30_n55 View Post
Hey guys i recently purchased a 2012 335i with 50k miles , recently the ofhg blew and got that replaced . Now outta no where i am getting this whistling screeching noise from the motor at low rpms 1200-2400 i provided a link to a video if anybody can point me in the right direction...


https://flic.kr/p/23YzQvX
Sounds like you have a vacuum leak somewhere. I believe there is a post or two on here on how to make a really cheap tester for this.

Secondary could be something rubbing or a belt going bad?

Will do what should i look for
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      02-23-2018, 06:56 PM   #6
BunkerJ
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Will do what should i look for
Sorry, forgot about this.. Not sure if you still have issues, but check all vacuum lines and chargepipes.
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